diff --git a/limen-install b/limen-install
index 6eecfacf..2b6b4ffc 100755
--- a/limen-install
+++ b/limen-install
@@ -15,8 +15,8 @@ set -euo pipefail
 # installer script, which must change with it, is recomputed on Renovate's
 # branches by update-installer-checksum.yaml — the pair always moves together.
 # renovate: depName=aquaproj/aqua-installer
-readonly AQUA_INSTALLER_VERSION="v4.0.2"
-readonly AQUA_INSTALLER_SHA256="98b883756cdd0a6807a8c7623404bfc3bc169275ad9064dc23a6e24ad398f43d"
+readonly AQUA_INSTALLER_VERSION="v4.0.5"
+readonly AQUA_INSTALLER_SHA256="451028d56959cc738564885b1dbebc2691ea038ffde04e2472e4d486a3591146"
 
 # The default locations, kept in UNEXPANDED form: this exact text goes into the
 # shell rc, so the rc keeps tracking $HOME / XDG_CONFIG_HOME at shell startup